CY100

preliminary CY100 Companion IC with 5 V ADC Eight channel 10 bit A / D converter with 5 V interface for 3.3 V or 2.5 V controllers for automotive, truck and 42 V applications www.DataSheet4U.com FEATURES Eight channel 10 bit A / D converter Approved ISO interface , slew rate limitation, bidirectional serial interface driver according ISO 9141 Two small signal stages with diagnostics SPI interface All I / O – ports designed for 2.5 V to 3.6 V logic level Package : LQFP32 PIN DESCRIPTION Pin Name AREF GNDA VDD5A AN_IN0..7 RAM AD Converter 8 Channel Reset Function Receiver output driver ISO 9141 Transmitter input driver ISO 9141 Input/output driver ISO 9141 UB-Reference for the ISO 9141 receiver Output small signal stage 1 Output small signal stage 2 Input small signal stage 1 Input small signal stage 2 Analog input 0 Analog input 1 Analog input 2 Analog input 3 Analog input 4 Analog input 5 ( only half sample rate of the others channels ) Analog input 6 Analog input 7 CLK-input for the A-to-D Converter ( Necessary to enable the CY100 ) Interrupt-Output for the A-to-D Converter SPI slave-select signal Slave-Out signal ( SPI data output ) Slave-In signal ( SPI data input ) SPI serial clock input Analog reference voltage for the ADC Analog supply voltage 5 V Analog ground UBat Pin for ESD protection 5 V - digital supply 3.3 V / 2.5 V - supply for IO Digital-ground mainly for ’on chip’ digital modules Digital-ground mainly for ’on chip’ power modules like ISO, KSA ...